WO2005122710A3 - A system for surveillance and a method for the application thereof - Google Patents

A system for surveillance and a method for the application thereof Download PDF

Info

Publication number
WO2005122710A3
WO2005122710A3 PCT/SE2005/000980 SE2005000980W WO2005122710A3 WO 2005122710 A3 WO2005122710 A3 WO 2005122710A3 SE 2005000980 W SE2005000980 W SE 2005000980W WO 2005122710 A3 WO2005122710 A3 WO 2005122710A3
Authority
WO
WIPO (PCT)
Prior art keywords
wireless link
nodes
frequency
signal strength
surveillance
Prior art date
Application number
PCT/SE2005/000980
Other languages
French (fr)
Other versions
WO2005122710A2 (en
Inventor
Patrick Broberg
Magnus Svensson
Torbjoern Gildaa
Original Assignee
Emwitech Holding Ab
Patrick Broberg
Magnus Svensson
Torbjoern Gildaa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emwitech Holding Ab, Patrick Broberg, Magnus Svensson, Torbjoern Gildaa filed Critical Emwitech Holding Ab
Priority to EP05752630A priority Critical patent/EP1766594A2/en
Priority to US11/630,094 priority patent/US20080122938A1/en
Priority to CA002570923A priority patent/CA2570923A1/en
Publication of WO2005122710A2 publication Critical patent/WO2005122710A2/en
Publication of WO2005122710A3 publication Critical patent/WO2005122710A3/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

A method and a system (100) for transmission of a large amount of data over a first dedicated wireless link (A) at a first frequency, such as 2,4 GHz. If the signal strength is weak, the data is further compressed. If the signal strength is further weaker, a second wireless link (B) is used at a second frequency, such as 868 MHZ. The second wireless link (B) is at the same time used as a network system for exchange of information in which the nodes of the system operates as nodes in a multi-hop system.
PCT/SE2005/000980 2004-06-18 2005-06-20 A system for surveillance and a method for the application thereof WO2005122710A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05752630A EP1766594A2 (en) 2004-06-18 2005-06-20 A system for surveillance and a method for the application thereof
US11/630,094 US20080122938A1 (en) 2004-06-18 2005-06-20 System for Surveillance and a Method for the Application Thereof
CA002570923A CA2570923A1 (en) 2004-06-18 2005-06-20 A system for surveillance and a method for the application thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0401574A SE0401574D0 (en) 2004-06-18 2004-06-18 Wireless sensor network
SE0401574-9 2004-06-18

Publications (2)

Publication Number Publication Date
WO2005122710A2 WO2005122710A2 (en) 2005-12-29
WO2005122710A3 true WO2005122710A3 (en) 2006-02-16

Family

ID=32906813

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/SE2005/000979 WO2005125127A1 (en) 2004-06-18 2005-06-20 Method and system for providing communication between several nodes and a master
PCT/SE2005/000972 WO2005125108A1 (en) 2004-06-18 2005-06-20 A security system and a method
PCT/SE2005/000980 WO2005122710A2 (en) 2004-06-18 2005-06-20 A system for surveillance and a method for the application thereof

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PCT/SE2005/000979 WO2005125127A1 (en) 2004-06-18 2005-06-20 Method and system for providing communication between several nodes and a master
PCT/SE2005/000972 WO2005125108A1 (en) 2004-06-18 2005-06-20 A security system and a method

Country Status (8)

Country Link
US (3) US20080267159A1 (en)
EP (3) EP1766892A1 (en)
JP (1) JP2008503153A (en)
CN (2) CN101044724A (en)
AU (1) AU2005255856A1 (en)
CA (3) CA2571146A1 (en)
SE (1) SE0401574D0 (en)
WO (3) WO2005125127A1 (en)

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Also Published As

Publication number Publication date
CA2570923A1 (en) 2005-12-29
WO2005122710A2 (en) 2005-12-29
EP1766594A2 (en) 2007-03-28
EP1766892A1 (en) 2007-03-28
CN101044724A (en) 2007-09-26
US20080267159A1 (en) 2008-10-30
SE0401574D0 (en) 2004-06-18
WO2005125127A1 (en) 2005-12-29
US20080122655A1 (en) 2008-05-29
CA2570891A1 (en) 2005-12-29
WO2005125108A1 (en) 2005-12-29
EP1766872A1 (en) 2007-03-28
JP2008503153A (en) 2008-01-31
US20080122938A1 (en) 2008-05-29
CN101006479A (en) 2007-07-25
AU2005255856A1 (en) 2005-12-29
CA2571146A1 (en) 2005-12-29

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